Cleaning Your Computer; Computer, Keyboard, And Monitor; Mouse; Cleaning A Non-Optical Mouse - Dell OptiPlex 755 User Manual

Cleaning Your Computer

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Information Guide
.

Computer, Keyboard, and Monitor

CAUTION:
Before you clean your computer, disconnect the computer from the electrical outlet. Clean your
computer with a soft cloth dampened with water. Do not use liquid or aerosol cleaners, which may contain
flammable substances.
• Use a can of compressed air to remove dust from between the keys on the keyboard.
NOTICE:
To prevent damage to the antiglare coating, do not wipe the display with soap or alcohol.
• To clean your monitor screen, lightly dampen a soft, clean cloth with water. You can also use a special
screen-cleaning tissue or solution suitable for the monitor's antistatic coating.
• Wipe the keyboard, computer, and monitor plastics with a soft cleaning cloth moistened with a
solution of three parts water and one part dishwashing detergent.
Do not soak the cloth or let water drip inside your computer or keyboard.

Mouse

NOTICE:
Disconnect the mouse from the computer before cleaning the mouse.
If your screen cursor skips or moves abnormally, clean the mouse.

Cleaning a Non-Optical Mouse

1 Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution.
2 Turn the retainer ring on the underside of your mouse counterclockwise, and then remove the ball.
3 Wipe the ball with a clean, lint-free cloth.
4 Blow carefully into the ball cage or use a can of compressed air to dislodge dust and lint.
5 If the rollers inside the ball cage are dirty, clean the rollers with a cotton swab moistened lightly with
isopropyl alcohol.
6 Recenter the rollers in their channels if they are misaligned. Ensure that fluff from the swab is not left
on the rollers.
7 Replace the ball and retainer ring, and turn the retainer ring clockwise until it clicks into place.

Cleaning an Optical Mouse

Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution.
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Cleaning Your Computer
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